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3138810338 = 21938131633
BaseRepresentation
bin1011101100010110…
…0111000111100010
322002202020002022202
42323011213013202
522412013412323
61235243333202
7140532306356
oct27305470742
98082202282
103138810338
11137085a734
12737221202
133b0396231
1421ac1b466
15135862d28
hexbb1671e2

3138810338 has 8 divisors (see below), whose sum is σ = 4732610988. Its totient is φ = 1561273344.

The previous prime is 3138810289. The next prime is 3138810347. The reversal of 3138810338 is 8330188313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3136336009 + 2474329 = 56003^2 + 1573^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4065431 + ... + 4066202.

Almost surely, 23138810338 is an apocalyptic number.

3138810338 is a deficient number, since it is larger than the sum of its proper divisors (1593800650).

3138810338 is a wasteful number, since it uses less digits than its factorization.

3138810338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131828.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3138810338 is about 56025.0866844488. The cubic root of 3138810338 is about 1464.1593935091.

The spelling of 3138810338 in words is "three billion, one hundred thirty-eight million, eight hundred ten thousand, three hundred thirty-eight".

Divisors: 1 2 193 386 8131633 16263266 1569405169 3138810338